Polymer sheet rolling and cutting device

Abstract

The utility model is suitable for the technical field of macromolecule sheet processing, and provides a macromolecule sheet rolling and cutting device which comprises a supporting frame, a working platform is installed on the supporting frame, a plurality of through grooves are formed in the working platform, and a plurality of lifting assemblies are installed on the supporting frame through the supporting platform. Each lifting assembly is provided with a cutting saw blade driven by a cutting motor, the lifting assemblies drive the cutting saw blades to rise through the passing grooves to cut the sheet, and the multiple cutting saw blades can cut the sheet into multiple long strips at the same time. A mounting frame is mounted on the working platform, two hydraulic push rods are mounted on the inner wall of the mounting frame, a lifting frame is fixedly mounted at the telescopic ends of the two hydraulic push rods, two conveying rollers driven by a gear motor are rotationally mounted on the lifting frame, and sheets are extruded and conveyed through the conveying rollers, so that the slitting efficiency of the sheets is improved; a plurality of winding frames are installed on the working platform, a plurality of winding drums driven by a motor are installed on the winding frames, and long-strip-shaped sheets are wound through the winding drums.

Description

Technical Field

[0001] The utility model belongs to the technical field of polymer sheet processing, in particular to a polymer sheet winding and cutting device. Background Art

[0002] In the current field of polymer sheet processing technology, polymer materials, also known as polymer materials, are materials composed of polymer compounds as a matrix and other additives (auxiliaries) to form sheets, which need to be cut for easy sale and use.

[0003] The utility model patent with publication number CN209141066U discloses a sheet cutting device with good cutting effect, which relates to the field of sheet cutting devices. It realizes the ability to automatically complete the cutting operation of the sheet, and the cut sheets are of the same size and have neat cut surfaces, which improves the product quality and production efficiency. The sheet cutting device with high cutting efficiency includes a base, a disassembly device, a cutter head and a transmission device. The transmission device is installed inside the base, and the disassembly device is installed on the upper end of the cutter head. The disassembly device includes a button, a pressure plate is fixedly installed on the outer surface of the button, a No. 1 spring is fixedly installed on one side of the pressure plate, a rotating shaft is fixedly installed on one end of the button, and pins are movably installed on both ends of the rotating shaft. The sheet cutting device with high cutting efficiency realizes automatic cutting of the sheet, and each sheet is of the same size and has neat cut surfaces, which improves the cutting quality and production efficiency, and facilitates the replacement of the cutter head, thereby ensuring the cutting quality of the sheet.

[0004] However, the above patents have the following shortcomings:

[0005] 1. In the above patent, the sheet material is cut by a sheet cutting device. However, a single cutting blade cannot simultaneously cut the sheet material into multiple long strips, and multiple cutting operations are required, which reduces the efficiency of sheet material cutting.

[0006] 2. In the above patent and commonly used sheet cutting devices, long strips of sheet material need to be rolled up after cutting. Currently, most of the rolling is done manually, which is labor-intensive and inefficient. Utility Model Content

[0007] The utility model provides a polymer sheet winding and cutting device, which aims to solve the problem mentioned in the above background that a single cutting knife cannot cut the sheet into multiple long strips at the same time, and multiple cuttings are required, resulting in low cutting efficiency and manual winding, which is labor-intensive.

[0008] The utility model is implemented as follows: a polymer sheet winding and cutting device comprises a support frame, on which a support platform is fixedly mounted;

[0009] A working platform is fixedly mounted on the support frame, and a plurality of slots are formed on the working platform, and the plurality of slots are evenly distributed on the working platform;

[0010] The slitting mechanism includes a lifting assembly, wherein the plurality of lifting assemblies correspond one to one with the plurality of slots;

[0011] The lifting assembly includes a mounting platform, and the mounting platform is rotatably connected to the support platform via a hinge;

[0012] A support base is fixedly installed on the support platform, a threaded rod is rotatably installed in the support base, a sliding nut is threadedly connected to the threaded rod, a stepping motor is fixedly installed on the support base, and the stepping motor is transmission-connected to the threaded rod;

[0013] A transmission connecting rod is rotatably mounted on the sliding nut, one end of the transmission connecting rod is rotatably connected to the sliding nut, and the other end is rotatably connected to the bottom wall of the mounting platform;

[0014] A cutting motor is fixedly mounted on the mounting platform, a cutting saw blade is fixedly mounted on an output end of the cutting motor, and the cutting saw blade is arranged below the passing groove.

[0015] Preferably, a mounting frame is fixedly installed on the working platform, and two hydraulic push rods are fixedly installed on the top wall of the mounting frame, and the telescopic ends of the two hydraulic push rods are fixedly connected to the lifting frame; in this solution, the telescopic ends of the hydraulic push rods drive the lifting frame to move longitudinally, thereby adjusting the height of the lifting frame.

[0016] Preferably, two conveying rollers are rotatably mounted on the lifting frame, and the two conveying rollers are arranged on both sides of the passage;

[0017] Two reduction motors are installed on the lifting frame, and the reduction motors are connected to the corresponding conveying rollers. In this solution, the reduction motors are connected to the conveying rollers through transmission belts, driving the conveying rollers to rotate, and then the two conveying rollers are used to convey the sheet.

[0018] Preferably, it further comprises a cutting mechanism, wherein the cutting mechanism comprises a pneumatic push rod, and the pneumatic push rod is fixedly mounted on the top wall of the mounting frame;

[0019] The telescopic end of the pneumatic push rod is fixedly mounted with a fixing frame, the lower surface of the fixing frame is detachably mounted with a cutting knife, and a knife retreat groove is provided on the working platform, and the knife retreat groove is arranged below the cutting knife; in this solution, the pneumatic push rod drives the fixing frame to move longitudinally by the telescopic end, and then uses the cutting knife to cut the sheet.

[0020] Preferably, two sliding rods are slidably mounted on the fixing frame, and the two sliding rods are arranged on both sides of the cutting knife;

[0021] A pressure block is fixedly installed at the lower end of the sliding rod, and a compression spring is mounted on the sliding rod. One end of the compression spring abuts against the pressure block, and the other end abuts against the bottom wall of the fixed frame. In this solution, the sliding rod follows the fixed frame to descend, and two pressure blocks are used to press the two ends of the sheet to prevent the sheet from loosening during cutting.

[0022] Preferably, it also includes a winding mechanism, which includes a winding frame, which is fixedly installed on the working platform, and a plurality of "U"-shaped mounting frames are provided on the winding frame; in this solution, the plurality of "U"-shaped mounting frames facilitate the simultaneous installation of multiple winding drums, which improves the winding efficiency.

[0023] Preferably, a rotating seat is rotatably mounted on both inner walls of the mounting frame, and a winding drum is detachably mounted on the rotating seat;

[0024] A drive motor is fixedly mounted on the winding frame, and the drive motor is connected to the rotating seat in a transmission manner. In this solution, the drive motor drives the rotating seat to rotate, and then drives the winding drum to rotate, and the long strips of sheet material after cutting are wound up by the winding drum.

[0025] Preferably, two insertion holes are provided on the side wall of the rotating seat, and two insertion rods connected to the insertion holes are installed on the side wall of the winding drum;

[0026] A connecting hole is provided on the rotating seat, a fixing spring is fixedly installed on the inner wall of the connecting hole, and a connecting column matching the connecting hole is installed on the side wall of the winding drum; in this scheme, the winding drum is plugged into the plug hole through the plug rod, so that it can be driven to rotate when the rotating seat rotates, and the fixing spring is used to resist the connecting column to prevent the rotating seat from falling off, and the fixing spring can be compressed at the same time to remove the winding drum after winding is completed.

[0027] Compared with the prior art, the beneficial effects of the present invention are: the polymer sheet winding and cutting device of the present invention is

[0028] 1. A working platform is installed on the support frame, and a plurality of slots are opened on the working platform. A plurality of lifting components are installed on the support frame through the support platform. Each lifting component is installed with a cutting saw blade driven by a cutting motor. The lifting component drives the cutting saw blade to rise from the slot to cut the sheet. Multiple cutting saw blades can cut the sheet into multiple strips at the same time;

[0029] 2. An installation frame is installed on the working platform. Two hydraulic push rods are installed on the inner wall of the installation frame. The telescopic ends of the two hydraulic push rods are fixedly installed with a lifting frame. Two conveyor rollers driven by a reduction motor are rotatably installed on the lifting frame. The conveyor rollers squeeze and convey the sheet to improve the sheet slitting efficiency.

[0030] 3. There are multiple winding racks installed on the working platform. There are multiple motor-driven connecting seats installed on the winding racks. The connecting seats can detach the winding drum. The long strip of sheet can be wound through the winding drum, which has higher winding efficiency. At the same time, the winding drum can be disassembled to facilitate the removal of the wound sheet. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 Schematic diagram of the overall structure of this utility

[0032] Figure 2 Practical Figure 1 Enlarged view of point A in the middle

[0033] Figure 3 Practical Figure 1 Enlarged view of point B in the middle

[0034] Figure 4 Schematic diagram of the structure of this practical work platform

[0035] Figure 5 This is the structural diagram of the practical winding mechanism

[0036] Figure 6 This is a schematic diagram of the structure of the practical connection seat

[0037] In the picture:

[0038] 1. Support frame; 11. Working platform; 111. Overcut; 112. Undercut; 12. Mounting frame; 13. Support platform;

[0039] 2. Slitting mechanism; 21. Lifting frame; 22. Conveyor roller; 221. Reducer motor; 222. Hydraulic push rod; 23. Lifting assembly; 231. Mounting platform; 232. Support base; 233. Threaded rod; 234. Stepping motor; 235. Sliding nut; 236. Transmission connecting rod; 24. Cutting motor; 241. Cutting saw blade;

[0040] 3. Cutting mechanism; 31. Pneumatic push rod; 32. Fixed frame; 321. Sliding rod; 322. Pressure block; 323. Compression spring; 33. Cutting knife; 4. Winding mechanism; 41. Winding frame; 411. Mounting frame; 42. Rotating seat; 421. Socket; 422. Connecting hole; 423. Fixed spring; 43. Winding drum; 431. Insertion rod; 432. Connecting column; 44. Driving motor. DETAILED DESCRIPTION

[0041] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0042] The components of the embodiments of the present invention generally described and shown in the drawings herein may be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention.

[0043] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

[0044] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0045] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0046] See also Figure 1-6The utility model provides a technical solution: a polymer sheet winding and cutting device, comprising a support frame 1, a support platform 13 is fixedly mounted on the support frame 1, a working platform 11 is fixedly mounted on the support frame 1, a plurality of slots 111 are opened on the working platform 11, and the plurality of slots 111 are evenly distributed on the working platform 11, a slitting mechanism 2 comprises a lifting assembly 23, the plurality of lifting assemblies 23 correspond one to one with the plurality of slots 111, the lifting assembly 23 comprises a mounting platform 231, the mounting platform 231 is rotatably connected to the supporting platform 13 via a hinge, and a support seat 232 is fixedly mounted on the supporting platform 13, A threaded rod 233 is rotatably installed in the support seat 232, and a sliding nut 235 is threadedly connected to the threaded rod 233. A stepping motor 234 is fixedly installed on the support seat 232, and the stepping motor 234 is transmission-connected to the threaded rod 233. A transmission connecting rod 236 is rotatably installed on the sliding nut 235. One end of the transmission connecting rod 236 is rotatably connected to the sliding nut 235, and the other end is rotatably connected to the bottom wall of the mounting platform 231. A cutting motor 24 is fixedly installed on the mounting platform 231, and a cutting saw blade 241 is fixedly installed on the output end of the cutting motor 24. The cutting saw blade 241 is arranged below the slot 111.

[0047] Among them, the stepping motor 234 drives the threaded rod 233 to rotate, and then drives the sliding nut 235 to move horizontally, and drives the mounting platform 231 to rotate on the supporting platform 13 through the transmission connecting rod 236, thereby raising the cutting motor 24 and the cutting saw blade 241, and raising it from the slot 111. The cutting motor 24 drives the cutting saw blade 241 to rotate to cut the sheet. Multiple cutting saw blades 241 can simultaneously cut the sheet into multiple long strips, and the cutting efficiency is higher. The threaded rod 233 rotates forward to drive the cutting motor 24 to rise, and the threaded rod 233 rotates backward to drive the cutting motor 24 to descend. Different cutting saw blades 241 can be raised according to the size of the sheet, and the scope of application is wider.

[0048] A mounting frame 12 is fixedly mounted on the working platform 11, and two hydraulic push rods 222 are fixedly mounted on the top wall of the mounting frame 12. The telescopic ends of the two hydraulic push rods 222 are fixedly connected to the lifting frame 21. Two conveying rollers 22 are rotatably mounted on the lifting frame 21. The two conveying rollers 22 are arranged on both sides of the groove 111, and two reduction motors 221 are installed on the lifting frame 21. The reduction motors 221 are transmission-connected to the corresponding conveying rollers 22.

[0049] The hydraulic push rod 222 drives the lifting frame 21 to move longitudinally, thereby causing the two conveying rollers 22 to descend and contact the surface of the sheet. The reduction motor 221 drives the conveying rollers 22 to rotate, and the two conveying rollers 22 are used to convey the sheet, which has higher cutting efficiency.

[0050] The cutting mechanism 3 is also included. The cutting mechanism 3 includes a pneumatic push rod 31, which is fixedly mounted on the top wall of the mounting frame 12. The telescopic end of the pneumatic push rod 31 is fixedly mounted with a fixing frame 32. The lower surface of the fixing frame 32 is detachably mounted with a cutting knife 33. A knife retreat groove 112 is provided on the working platform 11. The knife retreat groove 112 is arranged below the cutting knife 33. Two sliding rods 321 are slidably mounted on the fixing frame 32. The two sliding rods 321 are arranged on both sides of the cutting knife 33. A pressure block 322 is fixedly mounted on the lower end of the sliding rod 321. A compression spring 323 is mounted on the sliding rod 321. One end of the compression spring 323 abuts against the pressure block 322, and the other end abuts against the bottom wall of the fixing frame 32.

[0051] Furthermore, the pneumatic push rod 31 drives the fixed frame 32 to descend, and then drives the cutting knife 33 to descend, and the cutting knife 33 is used to cut the sheet. The retreat groove 112 prevents the cutting knife 33 from damaging the working platform 11, and the two sliding rods 321 follow the fixed frame 32 to descend, and the two pressure blocks 322 and the compression spring 323 are used to squeeze the two ends of the sheet to prevent the sheet from moving during cutting, and a limit block is installed on the sliding rod 321 to prevent the sliding rod 321 from falling off.

[0052] The reel 42 is fixedly mounted on the work platform 11, and a plurality of U-shaped mounting frames 411 are provided on the reel 41. The inner walls of both sides of the mounting frame 411 are rotatably mounted with a rotating seat 42, and the rotating seat 42 is detachably mounted with a reel 43. A driving motor 44 is fixedly mounted on the reel 41, and the driving motor 44 is connected to the rotating seat 42 for transmission. Two sockets 421 are provided on the side wall of the rotating seat 42, and two plug rods 431 connected to the sockets 421 are installed on the side wall of the reel 43. A connecting hole 422 is provided on the rotating seat 42, and a fixing spring 423 is fixedly mounted on the inner wall of the connecting hole 422. A connecting column 432 matching the connecting hole 422 is installed on the side wall of the reel 43.

[0053] Specifically, the long sheet is wound on the winding drum 43, and the driving motor 44 drives the rotating seat 42 to rotate, thereby driving the winding drum 43 to rotate. Multiple winding drums 43 can wind up multiple long sheets at the same time. The insertion rod 431 is inserted into the insertion hole 421 to facilitate the fixing of the winding drum 43. The connecting column 432 resists the fixing spring 423 to prevent the winding drum 43 from falling off. At the same time, the connecting column 432 can be used to compress the fixing spring 423 to facilitate the disassembly of the winding drum 43 and the removal of the wound winding drum 43.

[0054] The working principle and use process of this utility model: please refer to Figure 1-6The hydraulic push rod 222 drives the lifting frame 21 to move longitudinally, thereby causing the two conveying rollers 22 to descend and contact the surface of the sheet. The reduction motor 221 drives the conveying rollers 22 to rotate, and the two conveying rollers 22 are used to convey the sheet. The stepping motor 234 drives the threaded rod 233 to rotate, thereby driving the sliding nut 235 to move horizontally, and drives the mounting platform 231 to rotate on the supporting platform 13 through the transmission connecting rod 236, thereby raising the cutting motor 24 and the cutting saw blade 241 to rise, and rise from the slot 111. The cutting motor 24 drives the cutting saw blade 241 to rotate to cut the sheet. Multiple cutting saw blades 241 can cut the sheet at the same time. The strips are cut into multiple strips with higher cutting efficiency. The strips are wound on the winding drum 43, and the driving motor 44 drives the rotating seat 42 to rotate, thereby driving the winding drum 43 to rotate. Multiple winding drums 43 can wind up multiple strips at the same time. After the slitting is completed, the pneumatic push rod 31 drives the fixed frame 32 to descend, thereby driving the cutting knife 33 to descend, and the cutting knife 33 is used to cut the sheet. The retreat groove 112 prevents the cutting knife 33 from damaging the working platform 11, and the two sliding rods 321 follow the fixed frame 32 to descend, and use two pressure blocks 322 and compression springs 323 to squeeze the two ends of the sheet to prevent the sheet from moving when cutting.

[0055] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A polymer sheet winding and cutting device, characterized by: It comprises a support frame (1), on which a support platform (13) is fixedly mounted; A working platform (11) is fixedly mounted on the support frame (1), and a plurality of slots (111) are formed on the working platform (11), and the plurality of slots (111) are evenly distributed on the working platform (11); The slitting mechanism (2) includes a lifting assembly (23), and a plurality of the lifting assemblies (23) correspond one-to-one to a plurality of the slots (111); The lifting assembly (23) includes a mounting platform (231), and the mounting platform (231) is rotatably connected to the supporting platform (13) via a hinge; A support seat (232) is fixedly mounted on the support platform (13), a threaded rod (233) is rotatably mounted in the support seat (232), a sliding nut (235) is threadedly connected to the threaded rod (233), a stepping motor (234) is fixedly mounted on the support seat (232), and the stepping motor (234) is transmission-connected to the threaded rod (233); A transmission connecting rod (236) is rotatably mounted on the sliding nut (235), one end of the transmission connecting rod (236) is rotatably connected to the sliding nut (235), and the other end is rotatably connected to the bottom wall of the mounting platform (231); A cutting motor (24) is fixedly mounted on the mounting platform (231), a cutting saw blade (241) is fixedly mounted on the output end of the cutting motor (24), and the cutting saw blade (241) is arranged below the slot (111).

2. The polymer sheet winding and cutting device according to claim 1, characterized in that: A mounting frame (12) is fixedly mounted on the working platform (11), and two hydraulic push rods (222) are fixedly mounted on the top wall of the mounting frame (12), wherein the telescopic ends of the two hydraulic push rods (222) are fixedly connected to the lifting frame (21).

3. The polymer sheet winding and cutting device according to claim 2, characterized in that: Two conveying rollers (22) are rotatably mounted on the lifting frame (21), and the two conveying rollers (22) are arranged on both sides of the passage groove (111); Furthermore, two reduction motors (221) are installed on the lifting frame (21), and the reduction motors (221) are transmission-connected to the corresponding conveying rollers (22).

4. The polymer sheet winding and cutting device according to claim 2, characterized in that: It also includes a cutting mechanism (3), the cutting mechanism (3) includes a pneumatic push rod (31), and the pneumatic push rod (31) is fixedly mounted on the top wall of the mounting frame (12); A fixing frame (32) is fixedly mounted on the telescopic end of the pneumatic push rod (31), a cutting knife (33) is detachably mounted on the lower surface of the fixing frame (32), and a knife retreat groove (112) is provided on the working platform (11), and the knife retreat groove (112) is arranged below the cutting knife (33).

5. The polymer sheet winding and cutting device according to claim 4, characterized in that: Two sliding rods (321) are slidably mounted on the fixing frame (32), and the two sliding rods (321) are arranged on both sides of the cutting knife (33); A pressing block (322) is fixedly mounted on the lower end of the sliding rod (321), and a compression spring (323) is sleeved on the sliding rod (321). One end of the compression spring (323) abuts against the pressing block (322), and the other end abuts against the bottom wall of the fixing frame (32).

6. The polymer sheet winding and cutting device according to claim 1, characterized in that: The invention also includes a winding mechanism (4), wherein the winding mechanism (4) includes a winding frame (41), the winding frame (41) is fixedly mounted on the working platform (11), and a plurality of "U"-shaped mounting frames (411) are provided on the winding frame (41).

7. The polymer sheet winding and cutting device according to claim 6, characterized in that: The inner walls of both sides of the mounting frame (411) are rotatably mounted with a rotating seat (42), and the rotating seat (42) is detachably mounted with a winding drum (43); A driving motor (44) is fixedly mounted on the winding frame (41), and the driving motor (44) is transmission-connected to the rotating seat (42).

8. The polymer sheet winding and cutting device according to claim 7, characterized in that: Two insertion holes (421) are provided on the side wall of the rotating seat (42), and two insertion rods (431) connected to the insertion holes (421) are installed on the side wall of the winding drum (43); A connecting hole (422) is provided on the rotating seat (42), a fixing spring (423) is fixedly installed on the inner wall of the connecting hole (422), and a connecting column (432) matching the connecting hole (422) is installed on the side wall of the winding drum (43).

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